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Time left 0:59:01 Which of the following signals cannot be represented by a Fourier series? O a. x(t) = cos(t) + 2cos (3t) Ob. x(t) = cos(2nt)+ sin (t) x(t) = 2 cos(1.57t) + sin (3.5t) d. x(t) = 0.5 + cos (t)

Time left 0:59:01 Which of the following signals cannot be represented by a Fourier series? O a. x(t) = cos(t) + 2cos (3t) Ob. x(t) = cos(2nt)+ sin (t) x(t) = 2 cos(1.57t) + sin (3.5t) d. x(t) = 0.5 + cos (t)

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Time left 0:59:01 Which of the following signals cannot be represented by a Fourier series? O a. x(t) = cos(t) + 2cos (3t) Ob. x(t) = cos(2nt) + sin (t) x(t) = 2 cos(1.5tt) + sin (3.5tt) O d. x(t) = 0.5 + cos (t)
Transcribed Image Text:Time left 0:59:01 Which of the following signals cannot be represented by a Fourier series? O a. x(t) = cos(t) + 2cos (3t) Ob. x(t) = cos(2nt) + sin (t) x(t) = 2 cos(1.5tt) + sin (3.5tt) O d. x(t) = 0.5 + cos (t)
Time left 0:59:10 Which one of the following systems is BIBO stable? O a. y(t) = tx(t) +1 %3D O b. y(t) = exp(x(t)) O c. y(t) = sin(x(t)) %3D O d. y(t) = log(x(t)) %3D
Transcribed Image Text:Time left 0:59:10 Which one of the following systems is BIBO stable? O a. y(t) = tx(t) +1 %3D O b. y(t) = exp(x(t)) O c. y(t) = sin(x(t)) %3D O d. y(t) = log(x(t)) %3D
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